# ISO 2722:1973 — Withdrawn and superseded ISO standards

For ISO 2722:1973, item title is Vitreous and porcelain enamels — Determination of resistance to citric acid at room temperature; status code is 9599; successor is ISO 2722:1997; withdrawn / published date is 1973-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2722:1973 _(verified: appears in the quote below)_
- **Item title:** Vitreous and porcelain enamels — Determination of resistance to citric acid at room temperature _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2722:1997
- **Withdrawn / published date:** 1973-12-01 _(verified: appears in the quote below)_

## What the source says

> 7693,IS,,ISO 2722:1973,Vitreous and porcelain enamels — Determination of resistance to citric acid at room temperature,"Émaux vitrifiés — Détermination de la résistance à l'acide citrique, à la température ambiante",1973-12-01,1,['25.220.50'],ISO/TC 107,9599,,[1463],"['en','fr']",3,

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).